Conquer Math Through the Valiant Tales of Sir Cumference
Ride along with the noble knight Sir Cumference, his wife Lady Di of Ameter and their geometry-minded son Radius as they undertake exciting adventures that combine math with literature.

Each 32-page softcover book features illustrations fit for a king.

Sir Cumference and the Great Knight of Angleland ~ A Math Adventure
Adventure by Degrees! Radius, son of Sir Cumference and Lady Di of Ameter, wants to be a knight more than anything. To earn his knighthood, he needs to venture alone on a heroic quest. With only a family medallion for luck, Radius dodges dangers and dragons. The Ultimate challenge lies in a mysterious castle with a maze of many angles. Which way would you go if you were Radius? With the medallion at the back of the book, you can join in on the adventure!

Sir Cumference and the First Round Table ~ A Math Adventure
King Arthur has a problem! When his knights get together, they sit at such a long table that everyone has to shout to be heard. Can Sir Cumference and Lady Di of Ameter "measure up" to the challenge of building a better table? Explore the castle, watch a tournament, and ride along with Sir Cumference as he searches for the shape of the future. Noisy knights, a clever carpenter, and a juggling jester all add to the fun.

Sir Cumference and the Sword in the Cone - A Math Adventure
Sir Cumference is back and he's not alone, helping Sir Vertex seek the sword in the cone. King Arthur has hidden his sword, Edgecalibur. The knight who finds it will be the next king. Can Sir Cumference and Lady Di point Vertex in the right direction? Will Vertex's sharp thinking give him the edge?

Sir Cumference and the Dragon of Pi - A Math Adventure
Sir Cumference, Lady Di of Ameter, and Radius are back in their second Math Adventure! This time, a potion has changed Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a riddle that will reveal the cure. It lies in discovering the magic number that is the same for all circles.

Ages 5-10.
Grades K to 5.

3368 - Math Adventures of Sir Cumference - Set of 4 - $27.80